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Finding the Fourth Proportional to 397,157.71, 595,775.54 and 112,861.38

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Solution

The fourth proportional to 397,157.71, 595,775.54 and 112,861.38 is: 169,303.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,157.71 : 595,775.54 = 112,861.38 : x
  2. Step 2: Convert to fraction form
    397,157.71/595,775.54 = 112,861.38/x
  3. Step 3: Cross multiply
    397,157.71x = 595,775.54 × 112,861.38
  4. Step 4: Simplify right side
    397,157.71x = 67,240,046,635.77
  5. Step 5: Solve for x
    x = 67,240,046,635.77/397,157.71
  6. Step 6: Final answer
    x = 169,303.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.